Figure 1From: Right atrial to left atrial area ratio on early echocardiography predicts long-term survival after acute pulmonary embolism Kaplan-Meier survival curve of the Derivation Cohort with RA/LA Area Ratio divided into tertiles. Kaplan-Meier survival curve of the Derivation Cohort post-discharge following acute PE as a function of the RA/LA area ratio obtained on Day 1 post PE divided into tertiles. p = 0.04.Back to article page